EP3238682A3 - Wheelchair suspension with opposite movement of anti-tip arms - Google Patents

Wheelchair suspension with opposite movement of anti-tip arms Download PDF

Info

Publication number
EP3238682A3
EP3238682A3 EP17171255.7A EP17171255A EP3238682A3 EP 3238682 A3 EP3238682 A3 EP 3238682A3 EP 17171255 A EP17171255 A EP 17171255A EP 3238682 A3 EP3238682 A3 EP 3238682A3
Authority
EP
European Patent Office
Prior art keywords
tip
wheels
opposite movement
drive
wheelchair suspension
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP17171255.7A
Other languages
German (de)
French (fr)
Other versions
EP3238682A2 (en
Inventor
Robert L. Cuson
Robert A. Bekoscke
Daniel J. Stothard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Invacare Corp
Original Assignee
Invacare Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Invacare Corp filed Critical Invacare Corp
Publication of EP3238682A2 publication Critical patent/EP3238682A2/en
Publication of EP3238682A3 publication Critical patent/EP3238682A3/en
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/06—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A61G5/041—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven having a specific drive-type
    • A61G5/042—Front wheel drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/04—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven
    • A61G5/041—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs motor-driven having a specific drive-type
    • A61G5/043—Mid wheel drive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1078—Parts, details or accessories with shock absorbers or other suspension arrangements between wheels and frame
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1089—Anti-tip devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00—Indexing codes relating to the type of vehicle
    • B60G2300/24—Wheelchairs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S180/00—Motor vehicles
    • Y10S180/907—Motorized wheelchairs

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Handcart (AREA)
  • Vehicle Body Suspensions (AREA)
  • Automatic Cycles, And Cycles In General (AREA)
  • Axle Suspensions And Sidecars For Cycles (AREA)

Abstract

The invention relates to wheeled vehicles, such as wheelchairs (1700), that are adapted to traverse obstacles (300). The wheeled vehicles include a frame (102), first and second drive assemblies (130) that each include a drive wheel (132), first and second suspension assemblies (1706) that each include an anti-tip linkage (1711) and a shock absorber (172) with a spring return, first and second front anti-tip wheels (120) positioned forward of the drive wheels by the first and second anti-tip pivot arms (1790), first and second rear anti-tip wheels (108) positioned rearward of the drive wheels by the first and second anti-tip pivot arms (1734).
EP17171255.7A 2009-10-09 2010-10-08 Wheelchair suspension with opposite movement of anti-tip arms Pending EP3238682A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25022209P 2009-10-09 2009-10-09
EP10822726.5A EP2485698B1 (en) 2009-10-09 2010-10-08 Wheelchair suspension

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP10822726.5A Division EP2485698B1 (en) 2009-10-09 2010-10-08 Wheelchair suspension

Publications (2)

Publication Number Publication Date
EP3238682A2 EP3238682A2 (en) 2017-11-01
EP3238682A3 true EP3238682A3 (en) 2018-01-10

Family

ID=43853948

Family Applications (2)

Application Number Title Priority Date Filing Date
EP17171255.7A Pending EP3238682A3 (en) 2009-10-09 2010-10-08 Wheelchair suspension with opposite movement of anti-tip arms
EP10822726.5A Active EP2485698B1 (en) 2009-10-09 2010-10-08 Wheelchair suspension

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP10822726.5A Active EP2485698B1 (en) 2009-10-09 2010-10-08 Wheelchair suspension

Country Status (6)

Country Link
US (5) US9010470B2 (en)
EP (2) EP3238682A3 (en)
AU (1) AU2010303354C1 (en)
CA (1) CA2775916C (en)
NZ (1) NZ599108A (en)
WO (1) WO2011044405A1 (en)

Families Citing this family (36)

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US6554086B1 (en) 2000-10-27 2003-04-29 Invacare Corporation Obstacle traversing wheelchair
US7040429B2 (en) 2001-10-10 2006-05-09 Invacare Corporation Wheelchair suspension
US11213441B2 (en) 2002-10-25 2022-01-04 Invacare Corporation Suspension for wheeled vehicles
US7293801B2 (en) 2003-08-18 2007-11-13 Invacare Corporation Self-stabilizing suspension for wheeled vehicles
DE602008004311D1 (en) * 2007-02-08 2011-02-17 Invacare Corp WHEELCHAIR SUSPENSION
US8910975B2 (en) 2007-02-14 2014-12-16 Invacare Corporation Wheelchair with suspension
EP3238682A3 (en) 2009-10-09 2018-01-10 Invacare Corporation Wheelchair suspension with opposite movement of anti-tip arms
US20110253464A1 (en) * 2010-04-15 2011-10-20 Freerider Corp. Suspension system for electric wheelchair
AU2012214099B2 (en) * 2011-02-07 2017-11-02 Mobility 2000 (Australia) Limited Step-climbing attachment for a wheeled chair
CN102283749B (en) * 2011-06-27 2013-04-03 胡达广 Multi-road condition electric wheel chair
WO2013041964A1 (en) * 2011-09-20 2013-03-28 Maurer Balz Powered wheelchair with articulating drive wheels
US9308143B2 (en) 2012-02-15 2016-04-12 Invacare Corporation Wheelchair suspension
WO2015095156A1 (en) * 2013-12-16 2015-06-25 Mulhern James P Elevated height wheelchair
US10028870B2 (en) * 2014-04-29 2018-07-24 Reac Ab Powered wheelchair
TWI580415B (en) * 2014-08-20 2017-05-01 電能有限公司 Front suspension system for an electric wheelchair
NO3127520T3 (en) 2014-09-19 2018-05-12
US10052247B2 (en) * 2015-08-24 2018-08-21 Dream Roller Mobility, LLC Wheelchair with four wheel independent suspension and modular seating
WO2017053689A1 (en) * 2015-09-25 2017-03-30 University Of Pittsburgh - Of The Commonwealth System Of Higher Education Mobility enhancement wheelchair
EP3419579A4 (en) 2016-02-27 2020-03-18 Pride Mobility Products Corporation Adjustable height wheelchair
DE202016003870U1 (en) * 2016-06-21 2017-09-22 Kuka Roboter Gmbh Climbing device for a wheel
TWI592148B (en) * 2016-06-22 2017-07-21 Electric wheelchair frame
EP3266433B1 (en) * 2016-07-07 2020-05-06 Permobil AB Swing arm linkage for a mid-wheel drive wheelchair
US10772774B2 (en) 2016-08-10 2020-09-15 Max Mobility, Llc Self-balancing wheelchair
EP3354247B1 (en) * 2017-01-31 2020-03-18 Permobil AB Swing arm assembly for a mid-wheel drive wheelchair
US10864127B1 (en) 2017-05-09 2020-12-15 Pride Mobility Products Corporation System and method for correcting steering of a vehicle
CN107174420A (en) * 2017-07-10 2017-09-19 常州摩本智能科技有限公司 Electric wheel-chair vehicle
CN109435677B (en) * 2018-12-05 2023-09-19 深圳市远弗科技有限公司 Initiative obstacle crossing wheel set
CN111973353B (en) * 2019-05-21 2022-07-19 伍必翔 Electric wheelchair with front suspension arm and power frame pivoted respectively and elastically linked with frame
KR102140480B1 (en) * 2019-10-08 2020-08-03 주식회사 맥파이온 Wheel driving device for use of Automated Guided Vehicle
EP4110257A4 (en) * 2020-02-25 2024-03-06 Invacare Corporation Wheelchair and suspension systems
CN113086051A (en) * 2021-04-30 2021-07-09 深圳市普渡科技有限公司 Suspension device, chassis with same and robot
US20220402736A1 (en) * 2021-06-22 2022-12-22 Symbotic Llc Autonomous transport vehicle with synergistic vehicle dynamic response
TWI794977B (en) * 2021-09-15 2023-03-01 康揚股份有限公司 The base structure of the electric wheelchair
EP4261113A1 (en) * 2022-04-12 2023-10-18 Yandex Self Driving Group Llc Robotic vehicle and a support assembly for a wheel thereof
WO2023238187A1 (en) * 2022-06-06 2023-12-14 株式会社ジェイテクト Electric vehicle and vehicular electric assistance device
CA3168572A1 (en) * 2022-07-13 2024-01-13 Invacare Corporation Wheelchair and suspension systems

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CA2775916C (en) 2015-02-03
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US20150283010A1 (en) 2015-10-08
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US9010470B2 (en) 2015-04-21
US11857470B2 (en) 2024-01-02
CA2775916A1 (en) 2011-04-14
US20210369518A1 (en) 2021-12-02
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US11096845B2 (en) 2021-08-24
EP2485698A1 (en) 2012-08-15

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